Re-Irradiation With Proton Beam Therapy for Localized Perineural Spread Following Presacral Recurrence in Sigmoid Colon Cancer: A Case Report

Masahiko Harada; Takashi Saito; Toshiki Ishida; Yutaro Mori; Hideyuki Sakurai; Masahiko Harada; Takashi Saito; Toshiki Ishida; Yutaro Mori; Hideyuki Sakurai

doi:10.7759/cureus.56765

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